MainWindow.xaml

<Window x:Class="WpfClient.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:WpfClient"     
    Title="WPF ImageService client" Height="600" Width="600" ResizeMode="NoResize" Closing="Window_Closing">
    <Window.DataContext>
        <local:DataGridModel></local:DataGridModel>
    </Window.DataContext>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="3*"/>
            <RowDefinition Height="7*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="7*"/>
            <ColumnDefinition Width="3*"/>
        </Grid.ColumnDefinitions>

        <StackPanel>
            <DataGrid AutoGenerateColumns="False" Name="imageFilesGrid"  ItemsSource="{Binding ImagesFileData}" CanUserResizeRows="False" CanUserResizeColumns="False" CanUserReorderColumns="False" CanUserDeleteRows="False" CanUserAddRows="False" CanUserSortColumns="False" IsReadOnly="True" SelectionMode="Single" VerticalScrollBarVisibility="Auto" MouseDoubleClick="imageFilesGrid_MouseDoubleClick_1">
                <DataGrid.DataContext>
                    <local:DataGridModel/>
                </DataGrid.DataContext>
                <DataGrid.Columns>
                    <DataGridTemplateColumn Header="Image" Width="5*" IsReadOnly="True">
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Path=FileName}"/>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>
                    <DataGridTemplateColumn Header="Date of last modifyed" Width="5*" IsReadOnly="True">
                        <DataGridTemplateColumn.CellTemplate>
                            <DataTemplate>
                                <TextBlock Text="{Binding Path=LastDateModified}"/>
                            </DataTemplate>
                        </DataGridTemplateColumn.CellTemplate>
                    </DataGridTemplateColumn>
                </DataGrid.Columns>
            </DataGrid>
        </StackPanel>

        <StackPanel Name="buttonsStackPanel"  Grid.Column="1" Grid.Row="0">
            <Button Height="30" Width="100" Margin="30,30,30,0"  Name="UpdateButton" Content="Update" Click="UpdateButton_Click"></Button>
            <Button Height="30" Width="100" Margin="30,10,30,0" Name="UploadButton" Content="Upload"  Click="UploadButton_Click"></Button>
            <Button Height="30" Width="100" Margin="30,10,30,0" Name="ResetConnectionButton" Content="Reset connection" Click="ResetConnectionButton_Click"></Button>
        </StackPanel>
        
        <StackPanel Name="ImageViewerStackPanel"  Grid.Row="1" Grid.ColumnSpan="2">
            <Image Name="ImageViewer1" Stretch="Fill"/>
        </StackPanel>
    </Grid>
</Window>